Battery tester



FIG. 1 is a perspective view of a battery tester showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a front view thereof in a use state.

The broken lines depict portions of the battery tester and form no partof the claimed design.

CLAIM The ornamental design for a battery tester, as shown and described. 